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F3 Permissions

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F3 Permissions

By ColdoFixOwner

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Allows changing permission to f3 and debug features for certain gamemodes or players. Works by toggling f3 screen off for every server tick unless in allowed gamemode, or with allowed tag.

Mod Loaders
Minecraft
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About

Description

F3 Permissions

F3 Permissions is a NeoForge 1.21.1 mod for servers that want to restrict Minecraft's debug tools without relying on datapacks.

It keeps full F3 information behind a configurable permission policy and can also close the debug chart hotkeys, including the F3 + 1 profiler pie chart, when the player is in reduced-debug mode.

Features

  • Per-player full F3 access using vanilla reduced-debug packets.
  • F3 + 1 profiler pie chart lock for clients with the mod installed.
  • Optional locks for F3 + 2 FPS/TPS charts and F3 + 3 network charts.
  • Configurable always-allowed gamemodes.
  • Configurable entity tag for survival/adventure access.
  • Auto-grant and auto-revoke lists by player name or UUID.
  • Runtime commands for status, survival access, grants and revokes.
  • Dedicated-server safe; chart locking requires the mod on the client.

Requirements

  • Minecraft 1.21.1
  • NeoForge 21.1.x
  • Java 21

Install on the server to enforce full F3 restrictions. Install on clients too if you want the profiler pie chart and other debug charts locked.

Commands

/nof3 status
/nof3 survival on
/nof3 survival off
/nof3 survival toggle
/nof3 grant <players>
/nof3 revoke <players>

Default Policy

  • Creative and spectator players can use full F3.
  • Survival and adventure players get reduced debug info.
  • Tagged players can use full F3 only when /nof3 survival on is active.
  • The default permission tag is nof3.debug.
  • F3 + 1, F3 + 2 and F3 + 3 charts close while reduced debug info is active on clients with this mod installed.